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Arctic cloudiness - Comparison of ISCCP-C2 and Nimbus-7 satellite-derived cloud products with a surface-based cloud climatologyOne surface-based and two satellite arctic cloud climatologies are compared in terms of the annual cycle and spatial patterns of total monthly cloud amounts. Additionally, amounts and spatial patterns of low, middle, and high cloud type are compared. The surface-based dataset is for the years 1951-81, while the satellite-based data are for 1979-85 and 1983-86. The satellite cloud amounts are generally 5-35 percent less than the surface observations over the entire Arctic. However, regional differences may be as high as 45 percent. During July the surface-based cloud amounts for the central Arctic are about 40 percent greater than the satellite-based, but only 10 percent greater in the Norwegian Sea area. Surprisingly, (ISCCP) cloud climatology and surface observations agree better during winter than during summer. Possible reasons for these differences are discussed.
Document ID
19930040014
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Schweiger, Axel J.
(NASA Headquarters Washington, DC United States)
Key, Jeffrey R.
(Cooperative Inst. for Research in Environmental Sciences Boulder, CO, United States)
Date Acquired
August 16, 2013
Publication Date
December 1, 1992
Publication Information
Publication: Journal of Climate
Volume: 5
Issue: 12
ISSN: 0894-8755
Subject Category
Meteorology And Climatology
Accession Number
93A24011
Funding Number(s)
CONTRACT_GRANT: NAGW-2158
CONTRACT_GRANT: NAGW-2407
Distribution Limits
Public
Copyright
Other

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